<template>
	<div>
		<!-- 面包屑头部 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
		  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
		  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
		  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
		</el-breadcrumb>
		
		<!-- 卡片试图区 -->
		<el-card class="box-card">
		 <!-- 搜索添加区 -->
		   <el-row :gutter="20">
			   <!-- 搜索 -->
			   <el-col :span="9">
				   <el-input v-model="queryInfo.query" placeholder="请输入姓名查询内容" class="input-with-select">
				      <el-button @click="getUserList()" slot="append" icon="el-icon-search" ></el-button>
				    </el-input>
			   </el-col>
			   <!-- 添加 -->
			   <el-col :span="4">
				   <el-button type='primary' @click="addDialogVisible = true">添加用户</el-button>
			   </el-col>
		   </el-row>
		   <!-- 用户列表 -->
		   <el-table v-loading="loading" :data="userlist" border stripe >
			   <el-table-column type="index" align="center"></el-table-column>
			   <el-table-column label="姓名" align="center" prop="username"></el-table-column>
			   <el-table-column label="邮箱" align="center" prop="email"></el-table-column>
			   <el-table-column label="电话" align="center" prop="mobile"></el-table-column>
			   <el-table-column label="角色" align="center" prop="role_name"></el-table-column>
			   <el-table-column label="状态" align="center">
				   <template slot-scope="scope">
					   <el-switch
					     v-model="scope.row.mg_state"
					     active-color="#13ce66"
						 @change="userStateChanged(scope.row)"
					     inactive-color="#ff4949">
					   </el-switch>
				   </template>
			   </el-table-column>
			   <el-table-column label="操作" align="center" width="180px">
				   <template slot-scope='scope'>
					  
					     <el-tooltip  effect="dark" content="修改" placement="top">
					         <el-button @click="showEditDialog(scope.row.id)" type="primary" icon="el-icon-edit" size="mini"></el-button>
					       </el-tooltip>
						<el-tooltip  effect="dark" content="删除" placement="top">
						    <el-button @click="removeUserById(scope.row.id)" type="danger"  icon="el-icon-delete" size="mini"></el-button>
						  </el-tooltip>
						<el-tooltip  effect="dark" content="分配角色" placement="top">
						    <el-button @click='setRole(scope.row)' type="warning" icon="el-icon-setting" size="mini"></el-button>
						  </el-tooltip>	 
				   </template>
			   </el-table-column>
		   </el-table>
		   <!-- 分页 -->
		   <el-pagination
		         @size-change="handleSizeChange"
		         @current-change="handleCurrentChange"
		         :current-page="queryInfo.pagenum"
		         :page-sizes="[3, 5, 10, 15]"
		         :page-size="queryInfo.pagesize"
		         layout="total, sizes, prev, pager, next, jumper"
		         :total="total">
		       </el-pagination>
		</el-card>
		
		<!-- 添加用户对话框 -->
		<el-dialog
		@close="addDialogClosed"
		  title="添加用户"
		  :visible.sync="addDialogVisible"
		  width="50%"
		  >
		  <!-- 内容主体区域 -->
		 <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" class="demo-ruleForm">
		   <el-form-item label="用户名" prop="username">
		     <el-input v-model="addForm.username"></el-input>
		   </el-form-item>
		   <el-form-item label="密码" prop="password">
		     <el-input v-model="addForm.password"></el-input>
		   </el-form-item>
		   <el-form-item label="邮箱" prop="email">
		     <el-input v-model="addForm.email"></el-input>
		   </el-form-item>
		   <el-form-item label="手机" prop="mobile">
		     <el-input v-model="addForm.mobile"></el-input>
		   </el-form-item>
		   </el-form>
		  <!-- 内容底部区域 -->
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="addDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="addUser">确 定</el-button>
		  </span>
		</el-dialog>
		
		<!-- 修改用户对话框 -->
		<el-dialog
		  title="修改用户"
		  @close="editDialogClosed"
		  :visible.sync="aditDalogVisible"
		  width="50%"
		 >
		 <!-- 内容区域 -->
		 <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
		   <el-form-item label="用户名">
		     <el-input v-model="editForm.username" disabled></el-input>
		   </el-form-item>
		   <el-form-item label="邮箱" prop="email">
		     <el-input v-model="editForm.email" ></el-input>
		   </el-form-item>
		   <el-form-item label="手机" prop="mobile">
		     <el-input v-model="editForm.mobile" ></el-input>
		   </el-form-item>
		  </el-form>
		  <!-- 底部按钮 --> 
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="aditDalogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="editUserInfo">确 定</el-button>
		  </span>
		</el-dialog>
		
		<!-- 分配角色对话框 -->
		<el-dialog
		  title="分配角色"
		  :visible.sync="SetRoledialogVisible"
		  width="50%"
		  @close="setRoleDialogClosed"
		  >
		  <div>
			  <p>当前用户：{{userInfo.username}}</p>
			  <p>当前角色：{{userInfo.role_name}}</p>
			  <p>分配新权限
			  <!-- 下拉菜单 -->
			   <el-select v-model="selectedRoleId" placeholder="请选择角色">
			      <el-option
			        v-for="item in rolesList"
			        :key="item.id"
			        :label="item.roleName"
					:value="item.id"
			        >
			      </el-option>
			    </el-select>
			  </p>
			  
		  </div>
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="SetRoledialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
		  </span>
		</el-dialog>
		</div>
</template>

<script>
	export default{
		data() {
			// 验证邮箱规则
			var checkEmail = (rule,value,callback) =>{
				// 验证邮箱正则表达
				const regEmail = /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+/
				if(regEmail.test(value)){
					return callback()
				}
				callback(new Error('请输入合法的邮箱'))
			}
			// 验证手机号规则
			var checkMobile = (rule,value,callback) =>{
				const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
			if(regMobile.test(value)){
				return callback()
			}
			callback(new Error('请输入正确的手机'))
			}
			
			return{
			// 表格加载状态
			loading:true,
			// 获取用户列表参数
			queryInfo: {
				query:'',
				pagenum:1,
				pagesize:5,
			},
			// 用户列表存储
			userlist:[],
			total:0,
			// 控制添加用户对话框显示隐藏
			addDialogVisible:false,
			// 添加用户的表单数据
			addForm:{
				username:'',
				password:'',
				email:'',
				mobile:''	
			},
			// 查询用户赋值对象
			editForm:{
				
			},
			// 添加用户表单验证规则
			addFormRules:{
				username:[
				{ required: true, message: '请输入用户名', trigger: 'blur' },
				{ min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
				],
				password:[
				{ required: true, message: '请输入密码', trigger: 'blur' },
				{ min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }	
				],
				email:[
				{ required: true, message: '请输入邮箱', trigger: 'blur' },
				{ validator: checkEmail, trigger: 'blur' },
				],
				mobile:[
				{ required: true, message: '请输入手机', trigger: 'blur' },
				{ validator: checkMobile, trigger: 'blur' },
				],
			},
			// 修改用户对话框显示与隐藏
			aditDalogVisible:false,
			// 修改表单验证规则
			editFormRules:{
				email:[
				{ required: true, message: '请输入邮箱', trigger: 'blur' },
				{ validator: checkEmail, trigger: 'blur' },
				],
				mobile:[
				{ required: true, message: '请输入手机', trigger: 'blur' },
				{ validator: checkMobile, trigger: 'blur' },
				],
			},
				// 分配角色显示与隐藏
				SetRoledialogVisible:false,
				// 分配角色对话框数据
				userInfo:{},
				// 所有角色数据列表
				rolesList:{},
				// 已选择的数据绑定
				selectedRoleId:{},
			}
		},
		created() {
			this.getUserList();
		},
		methods:{
			async getUserList() {
				const { data: res } = await this.$http.get('users',{
					params: this.queryInfo
			})
			// console.log(res)
			if(res.meta.status !== 200){
				return this.$Message.error("获取用户列表失败！")
			} else {
				this.userlist = res.data.users
				this.total = res.data.total
				this.loading = false
			}
			
			},
			// 监听pagesize的改变
			handleSizeChange(newSize){
				// console.log(newSize)
				this.queryInfo.pagesize = newSize
				this.getUserList()
			},
			// 监听页码的改变
			handleCurrentChange(newPage){
				// console.log(newPage)
				this.queryInfo.pagenum = newPage
				this.getUserList()
			},
			// 监听switch开关状态
			async userStateChanged(userinfo){
				// console.log(userinfo)
			const {data:res}= await this.$http.put(
			`users/${userinfo.id}/state/${userinfo.mg_state}`)
			// console.log(res)
			if(res.meta.status!==200){
				userinfo.mg_state = !userinfo.mg_state
				return this.$message.error('更新用户状态失败')
			}
			this.$message.success('更新用户状态成功')
			},
			// 监听添加用户对话的关闭事件
			addDialogClosed(){
				// 重置表单
				this.$refs.addFormRef.resetFields()
			},
			// 点击按钮添加新用户
			 addUser(){
				// 校验表单
				this.$refs.addFormRef.validate(async valid =>{
					if(!valid) return
					// 发起添加网络请求
				const {data:res} = await this.$http.post('users',this.addForm)
				// console.log(res)
				if(res.meta.status == 201){
					// 重新获取列表
					this.getUserList()
					// 关闭对话框
					this.addDialogVisible = false
					this.$Message.success('添加用户成功')
				}else{
					return this.$message.error('添加用户失败')
				}  
				})	
			},
			// 展示修改用户对话框
			async showEditDialog(id){
				// console.log(id)
				this.aditDalogVisible =true
		       const {data:res} = await this.$http.get('users/'  + id)
			// console.log(res)
				if(res.meta.status != 200) {
					return this.$message.error('查询用户失败')				
				}
				this.editForm = res.data
			},
			// 监听修改用户对话框关闭事件
			editDialogClosed(){
				this.$refs.editFormRef.resetFields()
			},
			// 修改用户信息提交
			editUserInfo(id){
				this.$refs.editFormRef.validate( async valid =>{
					if(!valid){
						return
					}
					const {data:res} = await this.$http.put('users/' +this.editForm.id, {email:this.editForm.email,mobile:this.editForm.mobile})
					if(res.meta.status !== 200){
						return this.$message.error('修改用户失败！')
					}
					this.$Message.success('修改用户成功！')
					this.getUserList()
					this.aditDalogVisible = false
				})
			},
			// 根据ID删除对应用户信息
			async removeUserById(id){
			const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
			         confirmButtonText: '确定',
			         cancelButtonText: '取消',
			         type: 'warning'
			       }).catch(err =>{
					   return err
				   })
				  // 确认删除,返回值为:confirm
				  // 取消删除,返回值为:cancel
				  if(confirmResult !=='confirm'){
					  return this.$message.info('已取消删除操作')
				  }
				  const{data: ref} = await this.$http.delete('users/' + id)
					if(ref.meta.status!==200){
						return this.$message.error('删除失败！')
					}
					this.getUserList()
					this.$Message.success('删除成功')
					
			},
			// 分配角色点击
			async setRole(userInfo){
				this.userInfo = userInfo
				// 获取角色列表
				const {data:res} = await this.$http.get('roles')
				if(res.meta.status !==200){
					return this.$message.error('获取角色列表失败！')
				}
				this.rolesList = res.data
				// console.log(this.rolesList)
				this.SetRoledialogVisible = true
			
			},
			// 分配对话框确定按钮
			async saveRoleInfo(){
				if(!this.selectedRoleId){
					return this.$Message.error('请选择要分配的角色')
				}
				const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
				// console.log(res)
				if(res.meta.status !== 200){
					return this.$message.error('分配权限失败')
				}
				this.$message.success('更新角色成功')
				this.getUserList()
				this.SetRoledialogVisible = false
			},
			
		// 分配角色对话框关闭事件
		setRoleDialogClosed(){
			this.selectedRoleId = ''
			this.userInfo = {}	
		},
		
		
		
		}
	}
</script>

<style lang="less" scoped="scoped">
	
</style>
